Clear exceptions set during attempts to lazily optimize.

src/objects.cc

Index: src/objects.cc
diff --git a/src/objects.cc b/src/objects.cc
index e0232d58732ed014333c6118af88e3ec2645c6d9..03bac65aedea15782dc54d31c639ddf9d3d026bd 100644
--- a/src/objects.cc
+++ b/src/objects.cc
@@ -5470,9 +5470,11 @@ uint32_t JSFunction::SourceHash() {
 
 bool JSFunction::IsInlineable() {
   if (IsBuiltin()) return false;
+  SharedFunctionInfo* shared_info = shared();
   // Check that the function has a script associated with it.
-  if (!shared()->script()->IsScript()) return false;
-  Code* code = shared()->code();
+  if (!shared_info->script()->IsScript()) return false;
+  if (shared_info->optimization_disabled()) return false;
+  Code* code = shared_info->code();
   if (code->kind() == Code::OPTIMIZED_FUNCTION) return true;
   // If we never ran this (unlikely) then lets try to optimize it.
   if (code->kind() != Code::FUNCTION) return true;